7th Grade Math: Unit 07 Flashcards

Front

What is the measurement attribute that describes the number of square units a figure or region covers?

Back

area

Front

What is a two-dimensional figure formed by a closed curve with all points equal distance from the center called?

Back

circle

Front

What is the linear measurement of the distance around a circle called?

Back

circumference

Front

What do you call a figure that is composed of two or more two-dimensional figures?

Back

composite figure

Front

What is a line segment whose endpoints are on the circle and passes through the center of the circle called?

Back

diameter

Front

What is the ratio of the circumference to the diameter of a circle called?

Back

pi (π)

Front

What is the set of numbers that can be expressed as a fraction a/b, where a and b are counting (natural) numbers called?

Back

positive rational numbers

Front

What is one-fourth of a circle called?

Back

quarter circle

Front

What is a line segment drawn from the center of a circle to any point on the circle and is half the length of the diameter of the circle called?

Back

radius

Front

What is half of a circle called?

Back

semicircle